Enable knapsack
Pass through knapsack env vars to the QA framework
Required for https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/28283
Edited by George Koltsov
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Pass through knapsack env vars to the QA framework
Required for https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/28283